Finding the Fourth Proportional to 65,856, 90,882.72 and 36,048

Step by Step Solution

1. Step 1: Write the proportion equation
   65,856 : 90,882.72 = 36,048 : x
2. Step 2: Convert to fraction form
   65,856/90,882.72 = 36,048/x
3. Step 3: Cross multiply
   65,856x = 90,882.72 × 36,048
4. Step 4: Simplify right side
   65,856x = 3,276,140,290.56
5. Step 5: Solve for x
   x = 3,276,140,290.56/65,856
6. Step 6: Final answer
   x = 49,747.03